/**
 * Enjoy programming!!!
 * 时间： 2021/10/19 -  20:40
 */
public class Main {
        public static void main(String[] args){
            System.out.println("Hello Java!");
        }
    }

    class Main_2{
        public static void main(String[] args){
            System.out.println("Hello World!");
        }
    }

